Radio Shack 20-521 owner manual

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Before scanning a trunked system’s transmissions, you must store the trunked system’s frequencies in one of the banks in your scanner by following these steps.

1.Press PROG then TRUNK. TRUNK appears and one or more bank numbers flash.

2.Select the bank you want to store the trunked sys- tem’s frequencies in by pressing a number key. The scanner automatically selects the first channel in the bank when you select the bank.

3.Use the number keys to enter one of the trunked system’s frequencies, then press E. TRUNK, BANK and the bank number, the channel number, and the frequency appear.

Note: If you entered an invalid frequency, the scanner beeps, the channel number flashes and Error appears. If this happens, press • to clear the frequency, then repeat this step.

4.Press either PROG or s to select the next channel in the bank.

5.Repeat Steps 3 and 4 until all frequencies have been entered in that bank.

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Contents PRO-91 150-Channel Handheld Trunking Scanner Features Page Frequency Step Transmission Range MHz KHz FCC Notice Scanning LegallyContents Special Features Trunk TrackingGeneral Guide to Scanning Page Power Sources Using Internal BatteriesPreparation Page Charging Nickel-Cadmium Batteries Using AC Power Using Vehicle Battery Power Plug the adapter’s barrel plug into your scanner’s Connecting the Antenna Connecting an Optional AntennaConnecting AN EARPHONE/ Headphones Traffic SafetyListening Safely Connecting AN Extension Speaker Attaching the Belt ClipAbout Your Scanner Look AT the Keypad Look AT the Display Page Service Banks Understanding BanksChannel Storage Banks Monitor Memories Turning on the Scanner and Setting Squelch OperationStoring Known Frequencies Into Channels Searching for and Temporarily Storing Active Frequencies Limit SearchDirect Search Service Bank Search Search Skip Memory Listening to the Monitor Memories Moving a Frequency from a Monitor Memory to a ChannelScanning the Stored Channels Manually Selecting a ChannelPage Special Features DelayTurning CHANNEL-STORAGE Banks on and OFF Locking OUT Channels PriorityPage Changing Search Speeds Using the KeylockUsing the Display Backlight Normal Search HypersearchTurning the Battery Save Function OFF/ON Turning the KEY Tone OFF/ONSkipping Data Signals Trunk Tracking Types of Trunking SystemsSetting the Scanner to the Trunk Tracking Mode Setting Squelch for the Trunk Tracking Mode Storing Trunked FrequenciesPage Scanning a Trunked Bank Monitoring an Active ID Temporarily Storing an ID into the Monitor ID MemoryLocking Out IDs Unlocking a Single IDUnlocking All IDs Using Trunk Tracking Scan Delay Monitoring IDsChannel Activity Bars Scan Lists Manually Storing IDs into Scan ListsMoving IDs to Scan Lists Deleting a Stored IDScanning the Scan Lists Scanning Type I and Hybrid Trunked SystemsProgramming a Fleet Map Size Fleets Subfleets IDs Blocks Used E1P1 E1P2 E1P3 Size E1P4 E1P5 E1P6 Size Selecting a Preset Fleet Map Programming a Hybrid System National Weather Frequencies General Guide to ScanningGuide to Frequencies Canadian Weather FrequenciesPrimary Usage Guide to the Action BandsTypical Band Usage VHF BandBand Allocation AbbreviationsVery High Frequency VHF Ultra High Frequency UHF Frequency Conversion Troubleshooting Problem Possible Remedy CauseError Adjust squelch for Resetting the Scanner Care and Maintenance Specifications Power Requirement AA Alkaline Batteries 6.0 VDC Page Page Limited One-Year Warranty RadioShack Division of Tandy Corporation Fort Worth, Texas